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fzus63 klot 311450
glflm
253
open lake forecast for lake michigan
national weather service chicago/romeoville il
850 am cst sat jan 31 2015
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights...which
is the average height of the highest 1/3 of the waves...along
with the average height of the highest 10 percent of the waves
which will occasionally be encountered.
.synopsis...high pressure of 30.5 inches from southern ontario
across the ohio valley to the gulf coast will slowly weaken and
drift east into sunday. a weak low is crossing northern ontario
and an associated trough axis will move southward down lake
michigan this afternoon. surface low pressure will then develop in
the lee of the central and southern rockies through the day then
strengthen to around 29.8 inches as it consolidates over northern
missouri by sunday morning. the low will then deepen to around
29.4 inches as it crosses the ohio valley into sunday night. high
pressure of 30.5 inches will quickly move into the high plains
behind the low sunday night then move east to the lower ohio
valley by monday night. another low pressure system is forecast to
cross the lakes later tuesday with another strong high building in
thursday.
lmz261-362-364-366-563-565-567-669-868-870-312245-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
850 am cst sat jan 31 2015
port washington wi to whitehall mi north
.rest of today...west winds 10 to 20 kt becoming northwest early
this afternoon...then increasing to north 15 to 25 kt late. chance
of snow showers through mid morning...then scattered snow showers
this afternoon. waves 4 to 6 ft occasionally to 8 ft.
.tonight...north winds 15 to 25 kt increasing to 30 kt late in
the evening...then becoming northeast overnight. slight chance of
snow in the evening...then chance of snow overnight. waves 5 to 8
ft occasionally to 10 ft.
.sunday...northeast winds to 30 kt. chance of snow. waves 6 to
9 ft occasionally to 11 ft building to 8 to 11 ft occasionally to
14 ft in the afternoon.
.sunday night...north winds 15 to 25 kt. chance of snow showers.
waves 8 to 12 ft occasionally to 15 ft.
.monday...northwest winds 10 to 20 kt becoming west. chance of
snow showers in the morning...then slight chance of snow showers
in the afternoon. waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft in the afternoon.
.monday night...southwest winds 10 to 20 kt increasing to 15 to
25 kt overnight. chance of snow. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft overnight.
.tuesday...southwest winds 15 to 25 kt diminishing to 10 to 20 kt
in the afternoon. snow showers likely. waves 4 to 7 ft
occasionally to 9 ft.
.wednesday...northwest winds 15 to 25 kt. chance of snow showers.
waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft in the afternoon.
$$
fzus63 klot 311450
glflm
lmz080-671-673-675-777-779-872-874-876-878-312245-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
850 am cst sat jan 31 2015
port washington wi to whitehall mi south
...gale watch in effect from sunday afternoon through sunday
evening...
.rest of today...southwest winds 15 to 25 kt becoming west 10 to
20 kt early this afternoon...then becoming northwest late. waves
3 to 5 ft occasionally to 7 ft.
.tonight...north winds 10 to 20 kt becoming northeast late in the
evening...then increasing to 15 to 25 kt overnight. chance of
snow in the evening...then snow overnight. waves 5 to 8 ft
occasionally to 10 ft.
.sunday...northeast winds to 30 kt increasing to gales to 35 kt
in the afternoon. snow. waves 6 to 9 ft occasionally to 11 ft
building to 10 to 14 ft occasionally to 18 ft in the afternoon.
.sunday night...northeast gales to 35 kt becoming north to 30 kt
overnight. snow showers likely. waves 10 to 14 ft occasionally to
18 ft.
.monday...north winds 10 to 20 kt becoming west 10 to 15 kt in
the afternoon. chance of snow showers. waves 8 to 12 ft
occasionally to 15 ft subsiding to 5 to 8 ft occasionally to
10 ft in the afternoon.
.monday night...southwest winds 15 to 25 kt. chance of snow.
waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft
overnight.
.tuesday...southwest winds 15 to 25 kt. chance of snow showers.
waves 4 to 7 ft occasionally to 9 ft.
.wednesday...northwest winds 15 to 25 kt increasing to 30 kt in
the afternoon. chance of snow showers. waves 4 to 6 ft
occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft
in the afternoon.
$$

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